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Revista argentina de microbiología

versão impressa ISSN 0325-7541

Resumo

GILARDONI, Liliana R.; PAOLICCHI, Fernando A.  e  MUNDO, Silvia L.. Bovine paratuberculosis: a review of the advantages and disadvantages of different diagnostic tests. Rev. argent. microbiol. [online]. 2012, vol.44, n.3, pp. 201-215. ISSN 0325-7541.

Paratuberculosis (PTB), or Johne's disease, is a chronic infectious granulomatous enteritis of ruminants, caused by Mycobacterium avium subspecies paratuberculosis (Map). It is characterized by diarrhea and progressive cachexia, which may cause the death of the animal. Calves are the most susceptible to infection. Infected animals excrete Map mainly by the feces. PTB is endemic worldwide, with high prevalence levels, strong economic impact and public health relevance because of its possible association with Crohn's disease. Although the current reference diagnostic test is identification of Map in the bacterial culture, there are different diagnostic tests to identify infected individuals and/or herds. The sensitivity and specificity of these tests vary according to the stage of the disease in the animals to be evaluated. The correct choice and application of each of these diagnostic tests will ensure their success and may allow to establish a control program. The aim of this work is to review and discuss the different diagnostic tests used in the detection of Map-infected animals, focusing on their advantages and disadvantages.

Palavras-chave : Paratuberculosis; Mycobacterium avium subsp. paratuberculosis; Diagnostic tests.

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